The reference electrode,specifically the Saturated Calomel Electrode $(SCE)$,is made from which of the following substances?

Which of the following net cell reactions occurs in a galvanic cell containing a cadmium electrode and a standard hydrogen electrode? Given: $E^0_{(Cd^{2+}(aq)|Cd(s))} = -0.403 \text{ V}$.

How do the ions transfer between solutions in an electrochemical cell?

When a lead storage battery is discharged,

Provide the chemical reaction and the potential of a Daniell cell by drawing a labelled diagram. Also,provide primary information indicating what type of cell it is.

Which one of the following processes is non-spontaneous?